python list 按长度分段

graphite 建议数据不要太大,太大的话有可能造成graphite 无法接收到完整的数据,还是将数据按50一分段推送到graphite比较好。

def chunks(data, length):    """    list 分段函数    data: 数据[(1), (2)]    length: 分段长度    """    for i in xrange(0, len(data), length):        yield data[i:i + length]

效果:

In [3]: for i in chunks(range(1, 101), 10):   ...:     print i   ...:     [1, 2, 3, 4, 5, 6, 7, 8, 9, 10][11, 12, 13, 14, 15, 16, 17, 18, 19, 20][21, 22, 23, 24, 25, 26, 27, 28, 29, 30][31, 32, 33, 34, 35, 36, 37, 38, 39, 40][41, 42, 43, 44, 45, 46, 47, 48, 49, 50][51, 52, 53, 54, 55, 56, 57, 58, 59, 60][61, 62, 63, 64, 65, 66, 67, 68, 69, 70][71, 72, 73, 74, 75, 76, 77, 78, 79, 80][81, 82, 83, 84, 85, 86, 87, 88, 89, 90][91, 92, 93, 94, 95, 96, 97, 98, 99, 100]
python list 按长度分段

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